Comparison of analgesic effect of inhaling Entonox with and without paracetamol in labor

Status

Active, not recruiting

Phases

Phase 3

Study type

Interventional

Source

IRCT

Registry ID

IRCT20190915044779N1

Enrollment

100

Registered

2019-09-30

Start date

2018-09-23

Completion date

Unknown

Last updated

2019-11-05

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Labor pain. False labor before 37 completed weeks of gestation

Interventions

Intervention 1: Intervention group: The group will be anesthetized by intravenous paracetamol injections of 1 gr and inhaled Entonox. Intervention 2: Control group: The group will receive intravenous

Eligibility

Sex/Gender

Female

Age

14 Years to 40 Years

Inclusion criteria

Inclusion criteria: Single pregnancy (41 - 37 weeks) Onset of active phase of labor Cephalic presentation Absence of fever or serious systemic disease Absence of fetal distress Absence of meconium Age 14 to 40 years

Exclusion criteria

Exclusion criteria: Pregnancy hypertension Gestational diabetes

Design outcomes

Primary

Measure	Time frame
The main outcome variable in this study is pain. Timepoint: The beginning of the delivery process and then every 30 minutes until delivery is complete. Method of measurement: The VAS is a pain measurement scale in which a person scores from 0 to 10. 0 means no pain and 10 means the worst pain one can imagine.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactRogayye Dargahi

Ardabil University of Medical Sciences

meisamfooladi@gmail.com+98 45 3323 0793

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026